@methodus/server
Version:
dynamic rpc components
163 lines • 7.53 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const debug = require('debug')('tmla:methodus');
require("reflect-metadata");
const fp_1 = require("../fp");
const rabbitmq_1 = require("./rabbitmq");
const base_1 = require("./base");
const log_1 = require("../log");
const response_1 = require("../response");
const metadataKey = 'methodus';
const kafka = require('kafka-node'), Producer = kafka.Producer, KeyedMessage = kafka.KeyedMessage;
let Kafka = class Kafka extends base_1.BaseServer {
constructor(options) {
super();
this.options = options;
}
_sendEvent(methodEvent) {
return __awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
rabbitmq_1.AMQP.connect(this.options).then((conn) => {
conn.createChannel().then((ch) => {
ch.assertExchange('event-bus', 'fanout', { durable: true });
ch.publish('event-bus', '', new Buffer(JSON.stringify(methodEvent)));
// ch.assertQueue('event-bus', { exclusive: true }).then((q) => {
// ch.sendToQueue('event-bus',
// new Buffer(JSON.stringify(methodEvent)));
// resolve(methodEvent);
// });
});
});
});
});
}
useClass(classType) {
new KafkaRouter(classType, this.options);
}
_send(functionArgs, methodinformation, paramsMap) {
return __awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
let client = new kafka.KafkaClient({ 'kafkaHost': '192.168.99.100:9092' });
let producer = new Producer(client);
const methodMessage = new response_1.MethodMessage(methodinformation.propertyKey, paramsMap, methodinformation, functionArgs);
const stringMessage = JSON.stringify(methodMessage);
let payloads = [
{ topic: methodinformation.name, messages: stringMessage }
];
client.on('error', function (err) {
console.log(err);
});
producer.on('ready', function () {
producer.send(payloads, function (err, data) {
console.log(data);
});
});
producer.on('error', function (err) {
console.log(err);
});
});
});
}
};
__decorate([
log_1.Log(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [response_1.MethodEvent]),
__metadata("design:returntype", Promise)
], Kafka.prototype, "_sendEvent", null);
__decorate([
log_1.Log(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", void 0)
], Kafka.prototype, "useClass", null);
__decorate([
log_1.Log(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object, Object, Object]),
__metadata("design:returntype", Promise)
], Kafka.prototype, "_send", null);
Kafka = __decorate([
log_1.LogClass(log_1.logger),
__metadata("design:paramtypes", [Object])
], Kafka);
exports.Kafka = Kafka;
let KafkaRouter = class KafkaRouter {
constructor(obj, options) {
this.options = options;
let proto = fp_1.fp.maybeProto(obj);
let methodus = fp_1.fp.maybeMethodus(proto);
let existingClassMetadata = Reflect.getOwnMetadata(metadataKey, proto) || {};
existingClassMetadata.returnMessages = true;
Reflect.defineMetadata(metadataKey, existingClassMetadata, proto);
this.registerEvents(proto).then(() => {
this.registerRoutes(proto, methodus);
});
}
registerEvents(proto) {
return __awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
resolve();
});
});
}
registerRoutes(proto, methodus) {
return __awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
let Consumer = kafka.Consumer, client = new kafka.Client('192.168.99.100:2181');
let Kclient = new kafka.KafkaClient({ 'kafkaHost': '192.168.99.100:9092' });
let producer = new Producer(Kclient);
// Create topics sync
producer.on('ready', function () {
producer.createTopics([methodus.name], false, function (err, data) {
console.log(err);
let consumer = new Consumer(client, [
{ topic: methodus.name, partition: 0 }
], {
autoCommit: false
});
consumer.on('message', (message) => __awaiter(this, void 0, void 0, function* () {
let parsedMessage = fp_1.fp.maybeJson(message.value);
yield proto[parsedMessage.to](...parsedMessage.args);
}));
});
});
});
});
}
};
__decorate([
log_1.Log(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", Promise)
], KafkaRouter.prototype, "registerEvents", null);
__decorate([
log_1.Log(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object, Object]),
__metadata("design:returntype", Promise)
], KafkaRouter.prototype, "registerRoutes", null);
KafkaRouter = __decorate([
log_1.LogClass(log_1.logger),
__metadata("design:paramtypes", [Object, Object])
], KafkaRouter);
exports.KafkaRouter = KafkaRouter;
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